chore(deps): update pnpm to v11.21.0

Author: renovate[bot]

package.json

@@ -22,7 +22,7 @@
   "engines": {
     "node": ">=24.18"
   },
-  "packageManager": "pnpm@11.11.0",
+  "packageManager": "pnpm@11.21.0",
   "scripts": {
     "preinstall": "npx only-allow pnpm",
     "dev": "turbo run dev",